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AMD Ryzen Threadripper 1950X vs Ryzen 9 3900X

We compared two desktop CPUs: the 3.4 GHz AMD Ryzen Threadripper 1950X with 16-cores against the 3.8 GHz Ryzen 9 3900X with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

NanoReview Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Consumption
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 3900X and 1950X
Advantages of AMD Ryzen Threadripper 1950X
  • Supports up to 2048 GB DDR4-2666 RAM
  • Supports quad-channel memory
  • Around 31.79 GB/s (67%) higher theoretical memory bandwidth
  • Has 4 physical cores more than the 3900X
Advantages of AMD Ryzen 9 3900X
  • Newer - released 2 years later
  • More modern manufacturing process – 7 versus 14 nanometers
  • Has 32 MB larger L3 cache size
  • Consumes up to 42% less energy than the Ryzen Threadripper 1950X – 105 vs 180 Watt
  • More than 27 °C higher critical temperature
  • Newer PCI Express version – 4.0
  • 15% higher Turbo Boost frequency (4.6 GHz vs 4 GHz)


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of AMD Ryzen Threadripper 1950X and Ryzen 9 3900X


Vendor AMD AMD
Released August 10, 2017 July 7, 2019
Launch price 999 USD 499 USD
Type Desktop Desktop
Codename Zen Zen 2
Socket sTR4 AM4
Integrated GPU No No


Cores 16 12
Threads 32 24
Base Frequency 3.4 GHz 3.8 GHz
Turbo Boost Frequency 4 GHz 4.6 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 34x 38x
L1 Cache 96K (per core) 64K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 32MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes


Transistors 9.6 billions 19.2 billions
Fabrication Process 14 nm 7 nm
TDP 180 W 105 W
Max. temperature 68°C 95°C

Memory support

Memory types DDR4-2666 DDR4-3200
Memory Size 2048 GB 128 GB
Max. Memory Channels 4 2
Max. Memory Bandwidth 79.47 GB/s 47.68 GB/s
EEC Support Yes Yes


Official site AMD Ryzen Threadripper 1950X official page AMD Ryzen 9 3900X official page
PCI Express Version 3.0 4.0
PCI Express Lanes 60 20

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So which CPU will you choose: AMD Ryzen 9 3900X or Threadripper 1950X?